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Jacques Gélinas on Tue, 17 Oct 2017 02:17:26 +0200
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- To: "pari-users@pari.math.u-bordeaux.fr" <pari-users@pari.math.u-bordeaux.fr>
- Subject: Bessel series
- From: Jacques Gélinas <jacquesg00@hotmail.com>
- Date: Tue, 17 Oct 2017 00:17:17 +0000
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- Thread-topic: Bessel series
How can I compute the entire function H_p(x) = Gamma(p+1) J_p(x) / (x/2)^p
where J_p denotes the Bessel-J function, and p > -1 ?
For example, H_{-1/2} = cos, H_{1/2} = sinc.
# besselj(-1/2,0)
*** besselj: domain error in gpow(0,n): n <= 0
Jacques Gélinas,
Ottawa, Canada